Naphthenic Acid Methyl Ester Biodiesel Solvent from Japan
Methyl esters of naphthenic acids used as co-solvents in biodiesel production to improve cold flow properties. Classified as HTS 3824.99.7550 other naphthenic esters for fuel applications. Derived from tall oil naphthenates via transesterification.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• GC-MS confirms methyl naphthenate >80%; ASTM D6751 partial compliance
• Not biodiesel itself (3826)—processing solvent classification
• Biofuel credits need origin tracing; EU FAME compatibility